#10771: gcd and lcm for fraction fields
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Reporter: SimonKing | Owner: AlexGhitza
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.7
Component: basic arithmetic | Keywords: gcd lcm fraction fields
Author: Simon King | Upstream: N/A
Reviewer: Marco Streng | Merged:
Work_issues: |
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Comment(by SimonKing):
The third error boils down to:
Without patch
{{{
sage: x = -sqrt(2)-1/5*I
sage: x*x
1/25*(5*sqrt(2) + I)^2
}}}
With patch
{{{
sage: x = -sqrt(2)-1/5*I
sage: x*x
1/25*(-5*sqrt(2) - I)^2
}}}
The segfault in the second doctest problem also comes from multiplication
of symbolic expressions. And the example above indicates that it is
related with pulling common factors out of a list of expressions.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10771#comment:19>
Sage <http://www.sagemath.org>
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